Hardware Installation Manual 5. Cabling the Device
Media Gateways & SBCs 41 Mediant 1000B Gateway & E-SBC
5.2 Connecting to LAN with Port-Pair Redundancy
The LAN ports are provided on the CRMX and SWX LAN Expansion modules (see Section
3.2.6 on page 22 and Section 3.2.7 on page 25, respectively). These LAN ports can
operate in pairs (Ethernet Groups) to provide 1+1 port redundancy. In each pair, one port
serves as the active port while the other as standby. When the active port fails, the device
switches to the standby port. By default, the Ethernet ports are grouped into pairs, as
shown in the figure below. However, you can change this port assignment, including
assigning only a single port to an Ethernet Group. For more information, refer to the User's
Manual.
Figure 5-2: Default Ethernet Groups and Web Interface String Names
Notes:
• The SWX module is a customer ordered item.
• If your SWX module has different port labels (i.e., roman numerals) compared to
those shown in the figure above, see Section 3.2.7.1 on page 25 for the
corresponding port numbering.
Warning: Ethernet port interface cabling must be routed only indoors and must not exit
the building.
Avertissement: Le câblage de l’interface du port Ethernet doit être acheminé uniquement
en intérieur et ne doit pas sortir du bâtiment.
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